Since the enable touch exploration capability is dynamically granted by the user for apps targeting pre-JellybeanMR2 API level, we have to avoid caching copies of the service info. Framework change:https://googleplex-android-review.googlesource.com/#/c/301722 bug:8633951 Change-Id: I2b409ca92931d1409e885d6f54e0f10cbece2e80